[PATCH RFC v2 6/6] arm64: dts: qcom: sm8650-hdk: Enable I2S for HDMI

[Neil Armstrong <neil.armstrong@linaro.org>]

Add the necessary nodes to configure the right I2S interface
to output audio via the DSI HDMI bridge.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
 arch/arm64/boot/dts/qcom/sm8650-hdk.dts | 25 +++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sm8650.dtsi    | 40 +++++++++++++++++++++++++++++++++
 2 files changed, 65 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
index 87d7190dc991b11f5d1162aabb693dcadd198c51..e15c65a97852f2e27d1c1d282945feeddec20f6f 100644
--- a/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8650-hdk.dts
@@ -171,6 +171,14 @@ sound {
 				"TX SWR_INPUT1", "ADC2_OUTPUT",
 				"TX SWR_INPUT3", "ADC4_OUTPUT";
 
+		pinctrl-0 = <&i2s0_default_state>, <&audio_mclk0_default_state>;
+		pinctrl-names = "default";
+
+		clocks = <&q6prmcc LPASS_CLK_ID_PRI_MI2S_IBIT LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
+			 <&q6prmcc LPASS_CLK_ID_MCLK_1 LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+		clock-names = "primary-mi2s",
+			      "primary-mclk";
+
 		wcd-playback-dai-link {
 			link-name = "WCD Playback";
 
@@ -218,6 +226,22 @@ platform {
 				sound-dai = <&q6apm>;
 			};
 		};
+
+		pri-mi2s-dai-link {
+			link-name = "HDMI Playback";
+
+			cpu {
+				sound-dai = <&q6apmbedai PRIMARY_MI2S_RX>;
+			};
+
+			codec {
+				sound-dai = <&lt9611_codec 0>;
+			};
+
+			platform {
+				sound-dai = <&q6apm>;
+			};
+		};
 	};
 
 	vph_pwr: regulator-vph-pwr {
@@ -853,6 +877,7 @@ &i2c6 {
 	lt9611_codec: hdmi-bridge@2b {
 		compatible = "lontium,lt9611uxc";
 		reg = <0x2b>;
+		#sound-dai-cells = <1>;
 
 		interrupts-extended = <&tlmm 85 IRQ_TYPE_EDGE_FALLING>;
 
diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
index ebf1971b1bfbebf4df5a80247a6682ac8e413e3b..7cf5073a29ed4aaf72662a4e05ba1c6bfb118a3f 100644
--- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
@@ -6203,6 +6203,46 @@ wake-pins {
 				};
 			};
 
+			audio_mclk0_default_state: audio-mclk0-default-state {
+				pins = "gpio125";
+				function = "audio_ext_mclk0";
+				drive-strength = <8>;
+				bias-disable;
+				output-high;
+			};
+
+			i2s0_default_state: i2s0-default-state {
+				sck-pins {
+					pins = "gpio126";
+					function = "i2s0_sck";
+					drive-strength = <8>;
+					bias-disable;
+					output-high;
+				};
+
+				data0-pins {
+					pins = "gpio127";
+					function = "i2s0_data0";
+					drive-strength = <8>;
+					bias-disable;
+				};
+
+				data1-pins {
+					pins = "gpio128";
+					function = "i2s0_data1";
+					drive-strength = <8>;
+					bias-disable;
+				};
+
+				ws-pins {
+					pins = "gpio129";
+					function = "i2s0_ws";
+					drive-strength = <8>;
+					bias-disable;
+					output-high;
+				};
+			};
+
 			qup_i2c0_data_clk: qup-i2c0-data-clk-state {
 				/* SDA, SCL */
 				pins = "gpio32", "gpio33";

-- 
2.34.1